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Stalling after install of cam and tuner

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Old 11-04-2010, 09:43 AM
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Default Stalling after install of cam and tuner

Hey guys,
I recently bought a 200 camaro z28. I have a gm hot cam with all the new top end parts in it. I have a NOS lid on it nitrous ready and a magnaflow exhaust. I also have a diablo predator tuner. My friend who is a mechanic messed with the tuner after all the installs and we couldnt seem to find out why the car is stalling at idle 70% of the time. i have to two foot it at stops to "fix" the problem. Any ideas?
he recommended it being dyno tuned but i would have thought that with the tuner i could do it myself... open to all suggestions
thanks much
Old 11-04-2010, 10:16 AM
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A handheld tuner like that is not going to tune the car for an aftermarket camshaft. It needs to be tuned with a laptop and tuning software such as HP Tuner, EFI Live, etc.
Old 11-04-2010, 10:24 AM
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Originally Posted by TooLateVTEC
A handheld tuner like that is not going to tune the car for an aftermarket camshaft. It needs to be tuned with a laptop and tuning software such as HP Tuner, EFI Live, etc.
This.

Handheld tuners are IMO the biggest waste of money people with ls1 cars can buy. Followed shortly by k&n filters and MSD coils.

Cam cars need professional dyno tuning, or at minimum mail order pcm tuning from someone like Frost on this forum.
Old 11-04-2010, 10:34 AM
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you need a custom tune. go to the tuner forum here and make a post someone will hook u up
Old 11-04-2010, 10:35 AM
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Get it to a real tuner. Even contact Diablo to give you a base line uploaded. You need to know the car is running safe. I am suprised though the hotcam is having idling issues. I assume its a Automatic car?
Old 11-05-2010, 07:16 PM
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Originally Posted by BlackScreaminMachine
Get it to a real tuner. Even contact Diablo to give you a base line uploaded. You need to know the car is running safe. I am suprised though the hotcam is having idling issues. I assume its a Automatic car?
ya it is...
Old 11-07-2010, 10:41 AM
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Originally Posted by CTSprojectR
ya it is...
Idle speed needs to be increased, I am not a tuner but thats basic stuff anyone should know.
Old 11-13-2010, 12:16 PM
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Originally Posted by BlackScreaminMachine
Idle speed needs to be increased, I am not a tuner but thats basic stuff anyone should know.
agreed
Old 10-26-2020, 07:37 AM
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Originally Posted by thunderstruck507
This.

Handheld tuners are IMO the biggest waste of money people with ls1 cars can buy. Followed shortly by k&n filters and MSD coils.

Cam cars need professional dyno tuning, or at minimum mail order pcm tuning from someone like Frost on this forum.
how do I get ahold this guy frost because that’s the route I wanna take to have my car tuned when it’s finished
Old 10-26-2020, 07:13 PM
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Google "Tuned by Frost". BTW, this thread is 10 years old.




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